There are also prev_translation, prev_scale and prev_rotation, if you need them.

If it is more convenient to you, you can inherit GestureMixin together with ui.View or some other custom view class. In that case, if you want to use e.g. rotate, you need to make sure you have set multitouch_enabled = True.

Wow, this is very impressive. Sorry for that most likely stupid question: Is there a way to use this with a scene? I am trying to make a scene zoom+panable, but I did not manage to do it.
I wanted to use